All mains on private property serving more than one fire hydrant shall be circulatory and not less than eight inches in diameter. The hydrants shall be not more than 300 feet (91.5 meters) apart measured around the perimeter 50 feet (15.3 meters) from the building. All buildings, except single-family dwellings, that are located so that a portion is more than 150 feet from a street property line, or located at a different elevation than the street, shall have fire hydrants around the perimeter thereof to be located on the property as directed by the fire code official. All hydrants on public or private properties shall be provided with an all-weather roadway capable of supporting fire apparatus. Such roadway shall be no less than 20 feet in width. Such roadways on private property leading to hydrants shall be designated fire lanes and shall not be obstructed in any manner. (Ord. 2191 § 6 (Exh. F), 2016; Ord. 2052 § 6 (Exh. F), 2010; Ord. 1926 § 8, 2004; Ord. 1635 § 1, 1996; Ord. 1236 § 11, 1986; Ord. 833 § 8, 1977).